Home / 5,312,143.12-7,968,285.96-1,668,754.12

Finding the Fourth Proportional to 5,312,143.12, 7,968,285.96 and 1,668,754.12

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Solution

The fourth proportional to 5,312,143.12, 7,968,285.96 and 1,668,754.12 is: 2,503,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312,143.12 : 7,968,285.96 = 1,668,754.12 : x
  2. Step 2: Convert to fraction form
    5,312,143.12/7,968,285.96 = 1,668,754.12/x
  3. Step 3: Cross multiply
    5,312,143.12x = 7,968,285.96 × 1,668,754.12
  4. Step 4: Simplify right side
    5,312,143.12x = 13,297,110,025,088.16
  5. Step 5: Solve for x
    x = 13,297,110,025,088.16/5,312,143.12
  6. Step 6: Final answer
    x = 2,503,153.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.